//package com.entfrm.gateway.config;
//
//import com.entfrm.core.base.api.R;
//import com.fasterxml.jackson.core.JsonProcessingException;
//import com.fasterxml.jackson.databind.ObjectMapper;
//import lombok.RequiredArgsConstructor;
//import lombok.extern.slf4j.Slf4j;
//import org.springframework.boot.web.reactive.error.ErrorWebExceptionHandler;
//import org.springframework.context.annotation.Configuration;
//import org.springframework.core.annotation.Order;
//import org.springframework.core.io.buffer.DataBufferFactory;
//import org.springframework.http.MediaType;
//import org.springframework.http.server.reactive.ServerHttpResponse;
//import org.springframework.web.server.ResponseStatusException;
//import org.springframework.web.server.ServerWebExchange;
//import reactor.core.publisher.Mono;
//
///**
// * @author entfrm
// * @date 2020/5/23
// * <p>
// * 网关异常通用处理器，只作用在webflux 环境下 , 优先级低于 执行
// */
//@Slf4j
//@Order(-1)
//@Configuration
//@RequiredArgsConstructor
//public class GlobalExceptionConfiguration implements ErrorWebExceptionHandler {
//
//	private final ObjectMapper objectMapper;
//
//	@Override
//	public Mono<Void> handle(ServerWebExchange exchange, Throwable ex) {
//		ServerHttpResponse response = exchange.getResponse();
//
//		if (response.isCommitted()) {
//			return Mono.error(ex);
//		}
//
//		// header set
//		response.getHeaders().setContentType(MediaType.APPLICATION_JSON);
//		if (ex instanceof ResponseStatusException) {
//			response.setStatusCode(((ResponseStatusException) ex).getStatus());
//		}
//
//		return response.writeWith(Mono.fromSupplier(() -> {
//			DataBufferFactory bufferFactory = response.bufferFactory();
//			try {
//				return bufferFactory.wrap(objectMapper.writeValueAsBytes(R.error(ex.getMessage())));
//			}
//			catch (JsonProcessingException e) {
//				log.warn("Error writing response", ex);
//				return bufferFactory.wrap(new byte[0]);
//			}
//		}));
//	}
//
//}
